Professor George O’Connor

George O’Connor, a professor with the University of Florida’s Institute of Food and Agricultural Sciences, shows biosolids used to fertilize forage grass at UF’s Santa Fe River Ranch Beef Unit in Alachua, Fla. (Tuesday, May 9, 2006). Derived from sewage sludge, biosolids contain important plant nutrients and can improve soil quality. Critics claim the material releases too much phosphorus, but O’Connor’s research shows wide variation in the amount of water-soluble phosphorus biosolids contain, depending on the processing methods involved.

(Marisol Amador, University of Florida/IFAS)
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